\setuppapersize[A7,landscape]
\setuphead[section][number=yes]
\setuphead[title][align=middle,style=\bfxx]
 

\setupcombinedlist[content] [alternative=c,
list={chapter,section}
]
\starttext
 
\startchapter[title=Foo Chapter1]
     \startsection[title={Beta}]  First Section \stopsection
     \startsection[title={Alpha}] Second Section \stopsection
\stopchapter
\startchapter[title=Foo Chapter2]
     \startsection[title={Beta}]  First Section \stopsection
     \startsection[title={Alpha}] Second Section \stopsection
\stopchapter

 
\title[title=TOC]
\placecontent[criterium=all]
\page 
\setupheadtext[content={TABLE OF CONTENTS}]
\completecontent[criterium=all,alternative=b]
\stoptext
